Week 2 Flashcards
4 Types of Immunity
Innate, Active/ Acquired, Passive, Community
Innate Immunity
Innate immune system
Active/ Acquired Immunity
Adaptive Immune system.
Natural Active Immunity
Infection
Artificial Active Immunity
Vaccination
Passive Immunity
When activated T cells/ Antibodies are transferred to someone who doesn’t have it. Immediate protection, but no memory.
Natural Passive Immunity
Antibodies through mother’s breast milk/ placenta
Artificial Passive Immunity
Infusion
Community Immunity
Herd immunity or cocooning.
Hypersensitivity Vs Allergy
Hypersensitivity: Immune response
Allergy: Symptom
Type 1 Hypersensitivity
Immediate response after exposure. (IgE)
Type 2 Hypersensitivity
Cytotoxic reactions. (Healthy cells die in response/ Immune system too good)
Type 3 Hypersensitivity
Antigens and Antibodies form complexes
Type 4 Hypersensitivity
Cell mediated upon contact with antigen. No antibodies.
Treatments for Allergies
Avoidance, Antihistamines, immunotherapies, allergy shots. For anaphylaxis, epinephrine.